wordpress代码:添加反回顶部按钮
1、新建一个.js文件fanhui.js,并保存到自己网站目录http://www.phpfensi.com/wp-content/themes/twentyeleven/js代码如下:
var isie6 = window.XMLHttpRequest ? false : true ; function newtoponload() { var c = document.getElementByIdx_x_x([full]); function b() { var a = document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop; if (a > 0) { if (isie6) { c.style.display = [none]; clearTimeout(window.show); window.show = setTimeout( function () { var d = document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop; if (d > 0) { c.style.display = [block]; c.style.top = (400 + d) + [px] } }, 300) } else { c.style.display = [block] } } else { c.style.display = [none] } } if (isie6) { c.style.position = [absolute] } window.onscroll = b; b() } if (window.attachEvent) { window.attachEvent([onload], newtoponload) } else { window.addEventListener([load], newtoponload, false ) } document.getElementByIdx_x_x([full]).onclick = function () { window.scrollTo(0, 0) };2、将下面的代码复制到所用主题的footer.php文件,</body>标签之后、</html>标签之前的位置.
<div id=]full] style=]width:50px; height:95px; position:fixed; left:49%; top:476px; margin-left:493px; z-index:100; text-align:center; cursor:pointer;]> <a><img src=]http: //www.phpfensi.com/wp-content/uploads/2013/01/fanhui.jpg] border=0 alt=]返回顶部]></a> </div> <script src=]http: //www.phpfensi.com/wp-content/themes/twentyeleven/js/fanhui.js] type=]text/javascript]> </script>3、将上面的图片路径改为自己的返回顶部的图片地址,第二行红字改为自己fanhui.js所在目录,然后保存就可以了.
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